Well one argument against it is privacy. by companies zeroing in on the source of the information and coupled with critical mass consumers don't really have a choice unless being a total outcast. Between apple and Facebook they know a lot about you and your habits in return for giving you a place to upload pictures and throw cows at your friends. Besides the occaisonal desIre to voyeur.

From a business perspective the platform gives an opportunity to use InfOrmation creatively and develop products and sell them. I don't see how such a personal information based business model can sustain for two decades unless it's ok for us as a society to live as a statistic because of the sheer amont of data that has been created and analyzed on individuals and groups.